Philips Sonicare Power Flosser 5000 vs Waterpik Aquarius
Last checked 2026-09-24: specifications and tip intervals from each product's listing, nozzle compatibility from Philips' support page and the tip listings, prices from Amazon.
According to their listings, they cost almost the same ($59.96 and $59.99 on Amazon on 2026-09-24). The Aquarius has the larger reservoir (651 ml against 550 ml) and 7 tips in the box against 2; the Philips offers 2 modes and 10 intensities, the Aquarius 10 pressure settings. Of the two tip packs compared here, the Philips F1 fits the Power Flosser and the Waterpik JT-100E fits the Aquarius; Philips says other brands' nozzles are incompatible with its Power Flossers.
| Flosser | Type | Reservoir | Settings | Power | Tips in the box | Price | |
|---|---|---|---|---|---|---|---|
| Philips Sonicare Countertop Power Flosser 5000 (HX3811/20) White; source: the Amazon listing's product details | countertop | 550 ml | 2 modes, 10 intensities | plugs in (countertop) | 2 | $59.96 | Amazon › |
| Waterpik Aquarius (WP-660) White; source: the Amazon listing's product details | countertop | 651 ml (22 oz) | 10 pressure settings | plugs in (countertop) | 7 | $59.99 | Amazon › |
Replacement tips
| Tips | Philips Power Flosser 5000 | Waterpik Aquarius |
|---|---|---|
| Waterpik JT-100E 2-pack | unsupported | supported |
| Philips F1 2-pack | supported | unsupported |
Philips F1 2-pack on Amazon › Waterpik JT-100E 2-pack on Amazon ›
Specifications are the manufacturers' own, as shown on each listing; capacities are converted to ml. We tested nothing and measured no pressure. This page makes no claim about gum health, plaque or any dental condition, and is not a substitute for advice from your dentist.
Two cordless models with the same comparison: countertop vs cordless. What replacements cost a year: tip compatibility and cost.